Skeletal muscle is one of three major muscle types, the others being cardiac muscle and smooth muscle. Functional muscle testing pdf is a form of striated muscle tissue which is under the ‘voluntary’ control of the somatic nervous system. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons. The fibres and muscles are surrounded by connective tissue layers called fasciae.
Muscle fibres, or muscle cells, are formed from the fusion of developmental myoblasts in a process known as myogenesis. Muscle fibres are cylindrical, and have more than one nucleus. It has multiple mitochondria to meet energy needs. Muscle fibers are in turn composed of myofibrils.